CN108947669A - One kind is exempted to chase after compound fertilizer dedicated to paddy material and its manufacturing method - Google Patents
One kind is exempted to chase after compound fertilizer dedicated to paddy material and its manufacturing method Download PDFInfo
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- CN108947669A CN108947669A CN201810880649.5A CN201810880649A CN108947669A CN 108947669 A CN108947669 A CN 108947669A CN 201810880649 A CN201810880649 A CN 201810880649A CN 108947669 A CN108947669 A CN 108947669A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/90—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting the nitrification of ammonium compounds or urea in the soil
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
Abstract
The present invention provides one kind and exempts to chase after compound fertilizer dedicated to paddy material and its manufacturing method, in process of production, according to weight: 28-32 parts of urea, 17-21 parts of 60% monoammonium phosphate, 19-25 parts of potassium chloride, 0.2-2 parts of ammonium hydrogen carbonate, 0.2-2 parts of attapulgite, 21-25 parts of ammonium chloride, 0.5-2 parts of white vitriol, 0.2-0.5 parts of borax, 1-2 parts of Water-soluble silicon fertilizer；Addition alginic acid synergy pulvis may be selected and carry out ingredient, add normal-butyl thiophosphoryl triamine 0.1-0.2 parts.Fertilizer obtained can persistently supply nutrient for paddy growth period nutrient uptake feature, in the rice cultivation process, it is only necessary to ensure that rice yield to fertilizer of rice application, reduce environmental pollution, reduce Rice Cropping cost.
Description
Technical field
The invention belongs to technical field of composite fertilizer, and in particular to one kind is exempted to chase after compound fertilizer dedicated to paddy material and its manufacturer
Method.
Background technique
Compound fertilizer plays an important role to the development of agricultural, raising grain yield.In the rice cultivation process, it is
Guarantee grain yield, will generally apply a base manure, then apply one or many top dressings (leaflet fertilizer, Miho fertilizer, granulated fertilizer etc.), application chases after
Fertilizer not only spends labour, but also increases the cost of fertilising.By every time per acre apply fertilizer 20 yuan -30 yuan of recruitment cost in terms of, impose
Fertilizer will just increase by 40 yuan -60 yuan per acre twice.Therefore, how fertilizer efficiency is not being reduced, under the premise of not reducing rice yield, subtracted
Few fertilizer application frequency reduces fertilising cost, reduces peasant's labor intensity, have important practical significance.
China's tradition Rice Cropping is that base fertilizer is made using the balance formula for applying high nutrient mostly, and cooperation applies urea or BB
The method that fertilizer does top dressing, this method cause total fertilization amount big, and utilization rate of fertilizer is low, and a large amount of fertilizer nutrients are lost, and also cause simultaneously
Environmental pollution.In recent years, occur various slow-release rice fertilizer, controlled release rice fertilizer successively, this kind of fertilizer is all to pass through control
The nitrogenous fertilizer nutrient releasing speed of single form, the method in extended release period extend fertilizer efficiency, and the use of such fertilizer is to raising
The utilization rate of fertilizer, protection environment can play a role, but such fertilizer is not directed to the fertile peak of each need of rice
The corresponding fertilizer nutrient supply of the nutrient uptake feature reasonable arrangement at (Seedling Stage, tillering stage, tiller later period and heading stage), still cannot
Preferably meet the fertilizer nutrient demand of the entire growth cycle of rice.
Summary of the invention
Aiming at the problem that existing Rice Cropping needs repeatedly fertilising, exempt to chase after water one of the objects of the present invention is to provide one kind
Rice special complex fertilizer only needs just to be able to satisfy fertilizer of rice application paddy growth period whole in the rice cultivation process
Nutrient demand guarantees rice yield, reduces environmental pollution, and reduces Rice Cropping cost.It is a further object to provide
A kind of manufacturing method for exempting to chase after compound fertilizer dedicated to paddy material.
The technical scheme adopted by the invention is as follows:
One kind is exempted to chase after compound fertilizer dedicated to paddy material, which is characterized in that each component forms as follows according to parts by weight in composition of raw materials:
28-32 parts of urea, 17-21 parts of 60% monoammonium phosphate, 19-25 parts of potassium chloride, 0.2-2 parts of ammonium hydrogen carbonate, attapulgite 0.2-
2 parts, 21-25 parts of ammonium chloride, 0.5-2 parts of white vitriol, 0.2-0.5 parts of borax, 1-2 parts of Water-soluble silicon fertilizer, normal-butyl it is thio
0.1-0.2 parts of phosphoric triamide.
Using conventional composite fertilizer producing process, according to the manufacture of above-mentioned raw materials formula exempt from chase after Rice composite fertilizer material, pay attention to handle
Following three key points are held, can be achieved the object of the present invention.
One, total nitrogen content >=35% is accounted for the nitrogen content of ammonium nitrogen, the nitrogen content of amidonitrogen accounts for total nitrogen content >=50%.
Two, chloride ion content >=25%.
Three, the additive amount of strict control normal-butyl thiophosphoryl triamine is equivalent to its content and exempts to chase after rice specific complex
The 0.1% of amidonitrogen content in fertilizer.
Further, the alginic acid synergy that 0.17-0.3 parts of acid mass fractions containing seaweed are 30% is added in above-mentioned raw materials
Pulvis can generate superior technique, economy, ecological effect.
The present invention accounts for total nitrogen content >=35% by the nitrogen content that control exempts to chase after the ammonium nitrogen in compound fertilizer dedicated to paddy material,
With meet rice transplanting to tiller early period to nitrogenous fertilizer the needs of.
The nitrogen content that the present invention chases after the amidonitrogen in compound fertilizer dedicated to paddy material by controlling Novel free accounts for total nitrogen content
>=50%, while addition is equivalent to the normal-butyl thiophosphoryl triamine of amidonitrogen quality about 0.1%, and control chloride ion content >=
25%.In this way, inhibiting the urease activity in soil by normal-butyl thiophosphoryl triamine, extends amidonitrogen and be converted into ammonium
The time of state nitrogen improves the utilization rate of nitrogenous fertilizer to reduce the loss of nitrogenous fertilizer.
The present invention chases after the chloride ion in compound fertilizer dedicated to paddy material to the nitrosomonus in soil by Novel free
Special inhibiting effect is lost with reducing ammonium nitrogen denitrogenation because of caused by nitrification and denitrification effect.
The present invention is by exempting to chase after the composition ratio of reasonable disposition nitrogen nutrient in compound fertilizer dedicated to paddy material, addition normal-butyl
Thiophosphoryl triamide, while chloride ion content is controlled, to reduce the loss of nitrogenous fertilizer, to meet rice tillering later period to the maturity period pair
The demand of nitrogenous fertilizer only needs to apply the purpose of a base manure in entire Period of paddy planting to realize.
Further, the present invention chases after addition alginic acid fertilizer synergist in compound fertilizer dedicated to paddy material in Novel free, can dredge
Mellow soil, the growth for improving soil microenvironment, promoting rice root, enhancing rice to the absorbability of nutrient in soil,
The resistance for improving rice, to improve yield and quality of rice.Meanwhile each ingredient is pure day in alginic acid fertilizer synergist
Right substance, can be degradable, environmentally protective.
In order to realize that second object of the present invention, the present invention provide a kind of manufacturer for exempting to chase after compound fertilizer dedicated to paddy material
Method successively includes the following steps:
Step 1. counterweight weighing: it feeds intake in production system according to the weight ratio in compound fertilizer automatic weighing:
28-32 parts of urea, 17-21 parts of 60% monoammonium phosphate, 19-25 parts of potassium chloride, 0.2-2 parts of ammonium hydrogen carbonate, attapulgite 0.2-
2 parts, 21-25 parts of ammonium chloride, 0.5-2 parts of white vitriol, 0.2-0.5 parts of borax, 1-2 parts of Water-soluble silicon fertilizer.It is sent into comprehensive skin
Band；
Further, 30% 0.2 part of alginic acid fertilizer synergy pulvis can also be added, comprehensive belt is sent into；
Step 2. is granulated: the mixed material on comprehensive belt being sent into steam dram pelletizer and is granulated, is made in pelletizer
At 60~70 DEG C, granulation water is controlled 3%~4% the control of grain temperature；
Step 3. is dry, will dry in the material being granulated feeding drying machine, dryer inlet temperature control 180 DEG C~
220 DEG C, dryer tail temperature is controlled at 50 DEG C~60 DEG C；
Step 4. screening, sieve sieve dried material, are divided into fertilizer finished particle, bulky grain, fine powder, fine powder returns
Production system is returned, bulky grain returns to production system after broken crusher machine.The size of the finished product fertiliser granulates obtained after screening
For 2.0mm~4.75mm；
Step 5. is cooling, and it is cooling that the finished particle after screening is sent into cooler, make fertiliser granulates product temperature after cooling≤
45℃；
Step 6. coating simultaneously sprays urease inhibitor, and 0.1-0.2 parts of normal-butyl sulphur are added in amount in anticaking agent by weight ratio
It for phosphoric triamide and is allowed to melt, is uniformly mixed, melt temperature is at 90 DEG C~110 DEG C.By anticaking agent and the thio phosphorus of normal-butyl
The mixed melting agent of acyl triamine is sprayed on fertilizer product particle surface by metering, while spreading to fertilizer product particle surface by metering
Anti-caking powder is flutterred, is finally sent into the quantitative package of product packaging workshop into Bag fertilizer finished product.
It according to weight ratio is 56:100 group that mixed melting agent in the step 6, which is urease inhibitor and anti-caking coating oil,
At mixture.
Specific embodiment
The present invention is provided so that total nitrogen, total phosphorus, total potassium match the product of 22-9-15 as an example, is specifically comprised the following steps:
1 counterweight weighing: it feeds intake in compound fertilizer automatic weighing and takes 30.6 parts of urea, 60% phosphorus according to the weight ratio in production system
18.4 parts of sour monoammonium, 25 parts of potassium chloride, 22.6 parts of ammonium chloride, 0.3 part of ammonium hydrogen carbonate, 0.2 part of attapulgite, white vitriol 1
Part, 0.3 part of borax, 1.46 parts of Water-soluble silicon fertilizer are sent into comprehensive belt.
Further, if addition alginic acid synergist, weight proportion take 30.8 parts of urea, 18.4 parts of 60% monoammonium phosphate, chlorine
Change 25 parts of potassium, 22.2 parts of ammonium chloride, 0.3 part of ammonium hydrogen carbonate, 0.2 part of attapulgite, 1 part of white vitriol, 0.3 part of borax, water
1.46 parts of dissolubility siliceous fertilizer, 0.2 part of 30% alginic acid fertilizer synergy pulvis (production of Qingdao Hai Liyuan Biotechnology Co., Ltd), send
Enter comprehensive belt.
2 are granulated: the mixed material on comprehensive belt being sent into steam dram pelletizer and is granulated, is granulated in pelletizer
At 60~70 DEG C, granulation water is controlled 3%~4% for temperature control.
3 is dry, will dry in the material being granulated feeding drying machine, dryer inlet temperature control 180 DEG C~
220 DEG C, dryer tail temperature is controlled at 50 DEG C~60 DEG C.
4 screenings, sieve sieve dried material, are divided into fertilizer finished particle, bulky grain, fine powder, fine powder returns
Production system is returned, bulky grain returns to production system after broken crusher machine.The size of the finished product fertiliser granulates obtained after screening
For 2.0mm~4.75mm.
5 is cooling, and the finished particle after screening is sent into cooler cooling, makes fertiliser granulates product temperature≤45 after cooling
℃。
6 coatings simultaneously spray urease inhibitor, and 0.14 part of thio phosphorus of normal-butyl is added in amount in anticaking agent by weight ratio
Acyl triamine (being produced by Jiangxi Ji Xiang medication chemistry Co., Ltd) is simultaneously allowed to melt, be uniformly mixed, and melt temperature is 90 DEG C~110
℃.The mixed melting agent of anticaking agent and normal-butyl thiophosphoryl triamine is sprayed on fertilizer product particle surface by metering, together
When spread to fertilizer product particle surface by metering and flutter anti-caking powder, be finally sent into the quantitative package of product packaging workshop into Bag fertilizer
Finished product.
It according to weight ratio is 56:100 group that mixed melting agent in the step 6, which is urease inhibitor and anti-caking coating oil,
At mixture.
The nutrient content in Bag fertilizer finished product in the step 6 includes total nitrogen content 22%, and wherein ammonium nitrogen accounts for total nitrogen
Content 35%, amidonitrogen account for total nitrogen content 65%；Total phosphorus content 9.%；Total potassium content 15%, Zn content 0.225%；Silicone content
0.803%；Boron content 0.034%.
Adjusting synergy content in Bag fertilizer finished product in the step 6 includes chloride ion content 26.4%；Normal-butyl
Thiophosphoryl triamide 0.14%.
Further, the adjusting synergy content in the Bag fertilizer finished product in the step 6 further includes seaweed acid content
0.06%。
Manuring field trial implementation result of the present invention is as follows:
1, test is implemented
The present invention exempts to chase after the shadow of influence and utilization rate of nitrogen fertilizer of the compound fertilizer dedicated to paddy material single fertilization mode to rice yield
It rings.
This test is by Jiangxi enabling Zi Fei industry limited liability company's joint Jiangxi Academy of Agricultural Sciences soil and fertilizer and money
Source Environmental Research Institute undertakes.
2, for trying fertilizer
Exempt to chase after paddy rice-dedicated fertilizer I type (being not added with alginic acid synergist), II type (addition alginic acid synergist), be opened the door by Jiangxi sub
The production of Fei Ye limited liability company the method according to the invention provides.
3, experimental design, implementation
Field trial is carried out in November, -2017 in July, 2017 in the Jiangxi Province Jinxian County town Wen Zhen.Test sets 5 processing, respectively
Be: 1) CK(does not apply fertilizer)；2) compound fertilizer 1(base fertilizer 30kg45%(15-15-15) compound fertilizer, tillering fertilizer 14.13kg46% urea,
5kg60% potassium chloride)；3) compound fertilizer 2(base fertilizer 30kg45%(15-15-15) compound fertilizer, tillering fertilizer 10kg46% urea, ear manuer
4.13kg46% urea, 5kg60% potassium chloride)；4) exempt from top dressing I(base fertilizer 50kg to exempt to chase after paddy rice-dedicated fertilizer I type 46%(22-9-
15)).5) exempt from top dressing II(base fertilizer 50kg to exempt to chase after paddy rice-dedicated fertilizer II type 46%(22-9-15).33.33 squares of experimental plot area
Rice (5m × 6.67m), minizone sets ridge 20cm.Ridge is covered with plastic film, and field trial in triplicate, arrange by random district's groups
Column.Soil productivity basic fertility situation is as follows before testing: organic matter 33.5g/kg, complete 1.795 g/kg of nitrogen, alkali-hydrolyzable nitrogen
127.3mg/kg, available phosphorus 34.6, available potassium 94.6, pH value 6.10.
Test article kind is that the excellent China in day accounts for, and June 29 is sowed, and July 29 transplants, density of transplants 30cm × 20cm, 2 plants of every cave.
Field gos and buy Chinese medicine and pours water to be managed according to general yield field.Each cell pinpoint 5 plants of records transplantings 7 days, 15 days, 30 days, 45 days and
Plant height, tiller number when harvesting.Singles are carried out after rice is mature singly to receive, and calculate actual production.Every cell takes representative plant simultaneously
Effective fringe, plant height, Defined daily doses, setting percentage and mass of 1000 kernel are analyzed in 5 root and stem of certain plants of strain, species test.After species test, it is divided to seed stalk two
Divide measurement nitrogen content.
4, interpretation of result
As shown in Table 1, late rice tiller number significant difference between different fertilization, fertilizer treatment are higher than not fertilizer treatment, 15 days,
Reach significant difference (P < 0.05) within 45 days, 84 days, but without significant difference between fertilizer treatment.15 days after transplanting, compound fertilizer
I, the tiller number of compound fertilizer II processing is higher, and exempts from that top dressing I, to exempt from top dressing II tiller number relatively low, common compound during fertilising
Fertilizer processing nitrogen nutrient sufficiently discharge during this period, and exempt from top dressing processing nitrogen nutrient burst size is controlled during this period.?
After transplanting after 30 days and Common compound fertilizer Nitrogen Top Dressing, exempt from the tiller number of top dressing I processing and at compound fertilizer I, compound fertilizer II
The tiller number of reason maintains an equal level, and the bright nitrogen nutrient for exempting from top dressing I processing that applies fertilizer also starts sufficiently to discharge during this period；And exempt from top dressing II tiller
Number still maintains relatively low amount, and the release of its bright nitrogen nutrient during this period of applying fertilizer accelerates but still controlled.45 days it
Afterwards, compound fertilizer I, compound fertilizer II, exempt from top dressing I processing tiller number be reduced by up to, and exempt from top dressing II processing tiller number at 45 days
When maintain an equal level with other 3 fertilizer treatments and surpassed in reverse later, the nitrogen nutrient for showing to exempt from top dressing II processing is not applying top dressing
In the case of in the paddy growth middle and later periods still maintain certain amount of being released effectively.Finally in late rice maturation, exempt from top dressing II points
Tiller number highest, and it is significantly higher than CK processing (P < 0.05).
Table 1: the every root and stem of certain plants the mean tillering number investigation of late rice different fertilization
Different lowercases indicate significant difference (P < 0.05) between different disposal in same row.Similarly hereinafter.
As shown in Table 2, volume variance is significant between different disposal, and fertilizer treatment is significantly higher than not fertilizer treatment (P < 0.05),
Illustrate to apply compound fertilizer, exempt from top dressing and all have apparent production-increasing function, each processing shows as exempting from top dressing II > exempt from top dressing I > compound fertilizer II
> compound fertilizer I, respectively than CK volume increase 32.2%, 29.2%, 24.7%, 18.5%, 2 kinds of paddy rice-dedicated fertilizers exempt from that top dressing II, to exempt from top dressing I equal
It is significantly higher than conventional compound fertilizer I processing (P < 0.05), increases production 11.7% and 9.2% respectively.It can be seen that application exempts to chase after paddy rice-dedicated fertilizer pair
There is obvious action in improving late rice yield.
The analysis of 2 different fertilization grain yield of table
As shown in Table 3, fertilising significantly affects stalk yield, and consistent with grain yield variation, fertilizer treatment, which is significantly higher than, does not apply fertilizer
It handles (P < 0.05).Illustrate to apply compound fertilizer, exempt from top dressing and have significant facilitation to rice straw growth.Each processing shows as exempting from
Top dressing II=exempt from top dressing I > compound fertilizer I > compound fertilizer II increases production 51.39%, 51.39%, 43.5%, 34.6% than CK respectively but respectively applies
Without significant difference between fertilizer processing.
3 different fertilization stalk volume analysis of table
As shown in Table 4, yield component difference is obvious between different fertilization, and effective fringe shows as exempting from top dressing II processing most
Height, CK processing is minimum, and fertilizer treatment is significantly higher than CK, but without significant difference between fertilizer treatment；Defined daily doses show as exempting from
Top dressing processing is higher, and CK is minimum, but without significant difference between each fertilizer treatment, exempt from top dressing processing has compared with compound fertilizer's processing
Increase the trend of Defined daily doses；Setting percentage, mass of 1000 kernel show as CK highest, without significant difference between fertilizer treatment, exempt from top dressing
Handling has the trend for increasing setting percentage compared with compound fertilizer's processing；Spike length is shown as, and fertilizer treatment is significantly higher than CK, but applies fertilizer
Without significant difference between processing.
4 different fertilization analysis of Yield Forming Factors of table
As shown in Table 5, there were significant differences for different disposal biological yield, total amount of nitrogen sucking, and fertilizer treatment biological yield is higher than not
Fertilizer treatment (P<0.05), without significant difference between biological yield fertilizer treatment, total amount of nitrogenous fertilizer of inhaling shows as exempting from top dressing II>exempt to chase after
Fertile I > compound fertilizer II > compound fertilizer I promotes 16.8% He wherein exempting from top dressing II and exempting from top dressing I and be all remarkably higher than compound fertilizer I respectively
13.6%.Utilization rate of nitrogen fertilizer shows as exempting to chase after II highest, wherein exempting from top dressing II, exempting from top dressing I and be all remarkably higher than compound fertilizer I, compares respectively
Compound fertilizer I improves 14.38,11.65 percentage points.
5 different disposal yield of table handles absorbing nitrogen amount and utilization rate of nitrogen fertilizer changes
5, conclusion
Jiangxi enabling Zi Fei industry limited liability company development and production exempt to chase after compound fertilizer dedicated to paddy to late rice grain yield, biology
Yield, which has, is obviously improved effect, wherein exempting to chase after II paddy rice-dedicated fertilizer yield highest.Exempt from for two kinds to chase after paddy rice-dedicated fertilizer grain yield
9.2% and 11.7% is respectively increased than conventional compound fertilizer (compound fertilizer I).Stalk yield promotes 5.17%.Yield is promoted mainly logical
Promotion rice grain number per spike and setting percentage are crossed to realize.
Exempt to chase after paddy rice-dedicated fertilizer for two kinds and can improve the total amount of nitrogen sucking of rice and utilization rate of nitrogen fertilizer.It is total compared with conventional compound fertilizer
Amount of nitrogen sucking promotes 13.6% and 16.8% respectively, and utilization rate of nitrogen fertilizer promotes 11.65 and 14.38 percentage points respectively.
Testing result (one)
Testing result (two)
Claims (6)
1. one kind is exempted to chase after compound fertilizer dedicated to paddy material, it is characterised in that: each component is formed according to parts by weight in composition of raw materials are as follows:
28-32 parts of urea, 17-21 parts of 60% monoammonium phosphate, 19-25 parts of potassium chloride, 0.2-2 parts of ammonium hydrogen carbonate, attapulgite 0.2-
2 parts, 21-25 parts of ammonium chloride, 0.5-2 parts of white vitriol, 0.2-0.5 parts of borax, 1-2 parts of Water-soluble silicon fertilizer, normal-butyl it is thio
0.1-0.2 parts of phosphoric triamide.
2. exempting to chase after compound fertilizer dedicated to paddy material as described in claim 1, it is characterised in that: also include 0.17-0.3 in composition of raw materials
The alginic acid synergy pulvis that part acid mass fraction containing seaweed is 30%.
3. exempting to chase after compound fertilizer dedicated to paddy material as described in claim 1, it is characterised in that: each component is according to weight in composition of raw materials
Part composition are as follows: 30.6 parts of urea, 18.4 parts of 60% monoammonium phosphate, 25 parts of potassium chloride, 0.3 part of ammonium hydrogen carbonate, 0.2 part of attapulgite,
22.6 parts of ammonium chloride, 1 part of white vitriol, 0.3 part of borax, 1.46 parts of Water-soluble silicon fertilizer, normal-butyl thiophosphoryl triamine 0.14
Part.
4. exempting to chase after compound fertilizer dedicated to paddy material as claimed in claim 2, it is characterised in that: each component is according to weight in composition of raw materials
Part composition are as follows: 30.8 parts of urea, 18.4 parts of 60% monoammonium phosphate, 25 parts of potassium chloride, 0.3 part of ammonium hydrogen carbonate, 0.2 part of attapulgite,
22.2 parts of ammonium chloride, 1 part of white vitriol, 0.3 part of borax, 1.46 parts of Water-soluble silicon fertilizer, normal-butyl thiophosphoryl triamine 0.14
Part, 30% 0.2 part of alginic acid fertilizer synergy pulvis.
5. a kind of manufacture exempts from the method for chasing after compound fertilizer dedicated to paddy material as described in claim 1, successively include the following steps:
Step 1. counterweight weighing: it feeds intake in production system according to the weight ratio in compound fertilizer automatic weighing:
28-32 parts of urea, 17-21 parts of 60% monoammonium phosphate, 19-25 parts of potassium chloride, 0.2-2 parts of ammonium hydrogen carbonate, attapulgite 0.2-
2 parts, 21-25 parts of ammonium chloride, 0.5-2 parts of white vitriol, 0.2-0.5 parts of borax, 1-2 parts of Water-soluble silicon fertilizer；It is sent to comprehensive
Close belt；
Step 2. is granulated: the mixed material on comprehensive belt being sent into steam dram pelletizer and is granulated, is made in pelletizer
At 60~70 DEG C, granulation water is controlled 3%~4% the control of grain temperature；
Step 3. is dry: will be dried in the material being granulated feeding drying machine, dryer inlet temperature control 180 DEG C~
220 DEG C, dryer tail temperature is controlled at 50 DEG C~60 DEG C；
Step 4. screening: sieve sieves dried material, is divided into fertilizer finished particle, bulky grain, fine powder, and fine powder returns
Production system is returned, bulky grain returns to production system after broken crusher machine；The size of the finished product fertiliser granulates obtained after screening
For 2.0mm~4.75mm；
Step 5. is cooling: it is cooling that the finished particle after screening is sent into cooler, make fertiliser granulates product temperature after cooling≤
45℃；
Step 6. coating simultaneously sprays urease inhibitor: it is thio that 0.1-0.2 parts of normal-butyls being added by weight ratio in anticaking agent
Phosphoric triamide is simultaneously allowed to melt, be uniformly mixed, and melt temperature is at 90 DEG C~110 DEG C；By anticaking agent and normal-butyl thiophosphoryl
The mixed melting agent of triamine is sprayed on fertilizer product particle surface by metering, while spreading and flutterring by metering to fertilizer product particle surface
Anti-caking powder is finally sent into the quantitative package of product packaging workshop into Bag fertilizer finished product；Mixed melting agent in the step 6 is
Urease inhibitor and anti-caking coating oil are according to the mixture that weight ratio is that 56:100 is formed.
6. the method for chasing after compound fertilizer dedicated to paddy material is exempted from manufacture as claimed in claim 5, it is characterised in that: in step 1, also wrap
It includes to feed intake in compound fertilizer automatic weighing and adds 0.2 part of 30% alginic acid fertilizer synergy pulvis according to the weight ratio in production system.
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| CN201810880649.5A CN108947669A (en) | 2018-08-04 | 2018-08-04 | One kind is exempted to chase after compound fertilizer dedicated to paddy material and its manufacturing method |
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| CN201810880649.5A CN108947669A (en) | 2018-08-04 | 2018-08-04 | One kind is exempted to chase after compound fertilizer dedicated to paddy material and its manufacturing method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109810126A (en) * | 2018-12-20 | 2019-05-28 | 浙江万里学院 | Urease inhibitor, double-core slow-release carbamide fertilizer containing the inhibitor and preparation method thereof |
| CN110698253A (en) * | 2019-11-19 | 2020-01-17 | 江苏省农业科学院 | Rice base fertilizer free of additional greening and tillering and application method thereof |
| CN111205120A (en) * | 2020-01-13 | 2020-05-29 | 中化化肥有限公司临沂农业研发中心 | Synergistic topdressing-free controlled-release fertilizer special for rice and preparation method thereof |
Citations (4)
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| CN110698253A (en) * | 2019-11-19 | 2020-01-17 | 江苏省农业科学院 | Rice base fertilizer free of additional greening and tillering and application method thereof |
| CN111205120A (en) * | 2020-01-13 | 2020-05-29 | 中化化肥有限公司临沂农业研发中心 | Synergistic topdressing-free controlled-release fertilizer special for rice and preparation method thereof |
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